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Finding the Fourth Proportional to 61,712.60, 92,612.10 and 26,677.40

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Solution

The fourth proportional to 61,712.60, 92,612.10 and 26,677.40 is: 40,034.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,712.60 : 92,612.10 = 26,677.40 : x
  2. Step 2: Convert to fraction form
    61,712.60/92,612.10 = 26,677.40/x
  3. Step 3: Cross multiply
    61,712.60x = 92,612.10 × 26,677.40
  4. Step 4: Simplify right side
    61,712.60x = 2,470,650,036.54
  5. Step 5: Solve for x
    x = 2,470,650,036.54/61,712.60
  6. Step 6: Final answer
    x = 40,034.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.